Fernando Schauenburg
542f82d267
On Debian, /bin/sh is /bin/dash, which doesn't support substring expansions. Use `awk` instead.
144 lines
3 KiB
Bash
Executable file
144 lines
3 KiB
Bash
Executable file
#!/bin/sh
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fg_16() {
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case $1 in
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0|1|2|3|4|5|6|7) printf '\e[3%sm' "$1";;
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8|9|10|11|12|13|14|15) printf '\e[9%sm' "$(($1 - 8))";;
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*) ;;
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esac
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}
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bg_16() {
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case $1 in
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0|1|2|3|4|5|6|7) printf '\e[4%sm' "$1";;
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8|9|10|11|12|13|14|15) printf '\e[10%sm' "$(($1 - 8))";;
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*) ;;
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esac
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}
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fg_256() { printf '\e[38;5;%sm' "$1"; }
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bg_256() { printf '\e[48;5;%sm' "$1"; }
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fg_rgb() { printf '\e[38;2;%s;%s;%sm' "$1" "$2" "$3"; }
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bg_rgb() { printf '\e[48;2;%s;%s;%sm' "$1" "$2" "$3"; }
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rgb_from_hex() {
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echo "$1" | awk '{
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r="0x"substr($0, 2, 2)
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g="0x"substr($0, 4, 2)
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b="0x"substr($0, 6, 2)
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printf "%d %d %d", r, g, b
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}'
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}
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# shellcheck disable=SC2046 # word splitting is intentional here
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fg_hex() { fg_rgb $(rgb_from_hex "$1"); }
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# shellcheck disable=SC2046 # word slitting is intentional here
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bg_hex() { bg_rgb $(rgb_from_hex "$1"); }
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reset() { printf '\e[0m'; }
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fg_reset() { printf '\e[39m'; }
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bg_reset() { printf '\e[49m'; }
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indent() { printf ' '; }
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newline() { printf '%b\n' '\e[0m'; }
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indexed_16() {
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echo "16 indexed colors:"
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for i in 0 1; do
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indent
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for j in $(seq 0 7); do
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bg_16 $((8*i + j)); printf '%4s'
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done
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newline
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done
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}
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indexed_256() {
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echo "256 indexed colors:"
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# 16 standard colors
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for i in 0 1; do
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indent
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for j in $(seq 0 7); do
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bg_256 $((8*i + j)); printf '%9s'
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done
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newline
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done
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# 216 colors
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for i in 0 18; do
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for j in $(seq 0 5); do
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indent
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for k in $(seq $i $(( i + 17 ))); do
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bg_256 $((16 + 36*j + k)); printf '%4s'
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done
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newline
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done
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done
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# 24 grayscale colors
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for i in 0 1; do
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indent
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for j in $(seq 0 11); do
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bg_256 $((232 + 12*i + j)); printf '%6s'
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done
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newline
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done
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}
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hex_theme() {
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for i in 0 1; do
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indent
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for j in $(seq 0 7); do
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[ $# -gt 0 ] && { bg_hex "$1"; printf '%4s'; shift; }
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done
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newline
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done
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}
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gruvbox_dark() {
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echo "RGB Gruvbox Dark:"
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hex_theme \
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'#282828' '#cc241d' '#98971a' '#d79921' '#458588' '#b16286' '#689d6a' '#a89984' \
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'#928374' '#fb4934' '#b8bb26' '#fabd2f' '#84a598' '#d3869b' '#8ec07c' '#ebdbb2'
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}
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gruvbox_light() {
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echo "RGB Gruvbox Light:"
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hex_theme \
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'#fbf1c7' '#cc241d' '#98971a' '#d79921' '#458588' '#b16286' '#689d6a' '#7c6f64' \
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'#928374' '#9d0006' '#79740e' '#b57614' '#076678' '#8f3f71' '#427b58' '#3c3836'
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}
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solarized() {
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echo "RGB Solarized:"
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hex_theme \
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'#073642' '#dc322f' '#859900' '#b58900' '#268bd2' '#d33682' '#2aa198' '#eee8d5' \
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'#002b36' '#cb4b16' '#586e75' '#657b83' '#839496' '#6c71c4' '#93a1a1' '#fdf6e3'
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}
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nord() {
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echo "Nord:"
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hex_theme \
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'#2e3440' '#bf616a' '#a3be8c' '#ebcb8b' '#5e81ac' '#b48ead' '#88c0d0' '#e5e9f0' \
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'#434c5e' '#d08770' '#3b4252' '#4c566a' '#81a1c1' '#d8dee9' '#8fbcbb' '#eceff4'
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}
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main() {
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indexed_16
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echo
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indexed_256
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echo
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gruvbox_dark
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echo
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gruvbox_light
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echo
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solarized
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echo
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nord
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}
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main
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